*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; }
img { display: block; max-width: 100%; height: auto; }
button, input { font: inherit; }
button, a { touch-action: manipulation; }
h1, h2, h3, h4, p { margin-top: 0; }